Question

On selling one machine If the selling price of 20 articles is equal to the cost price of 23 articles, find the loss or gain percent
each articles​

Answer 1

let the cp be 230 of 23 articles.

so cp of 1 article is rs 10

so sp of 1 article is 20 articles is 230 ÷ 20 that is 11.5.

so gain is 1.5

gain percent is 15 percent.